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Finding the Fourth Proportional to 38,881.70, 58,322.55 and 15,524.90

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Solution

The fourth proportional to 38,881.70, 58,322.55 and 15,524.90 is: 23,287.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.70 : 58,322.55 = 15,524.90 : x
  2. Step 2: Convert to fraction form
    38,881.70/58,322.55 = 15,524.90/x
  3. Step 3: Cross multiply
    38,881.70x = 58,322.55 × 15,524.90
  4. Step 4: Simplify right side
    38,881.70x = 905,451,756.50
  5. Step 5: Solve for x
    x = 905,451,756.50/38,881.70
  6. Step 6: Final answer
    x = 23,287.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.